Re: [PATCH v1 1/1] mtd: mtdpart: Do not supply NULL to printf()

From: Zhihao Cheng
Date: Wed Mar 12 2025 - 21:24:32 EST


在 2025/3/13 4:16, Andy Shevchenko 写道:
Compiler is not happy about NULL being supplied as printf() parameter:

printf -> printk? The title has the same issue.

drivers/mtd/mtdpart.c:693:34: error: ‘%s’ directive argument is null [-Werror=format-overflow=]

Replace that with "(null)" to fix compilation error.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/mtd/mtdpart.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)


Reviewed-by: Zhihao Cheng <chengzhihao1@xxxxxxxxxx>
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 6811a714349d..6f7e250ef710 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -691,7 +691,7 @@ int parse_mtd_partitions(struct mtd_info *master, const char *const *types,
if (!parser && !request_module("%s", *types))
parser = mtd_part_parser_get(*types);
pr_debug("%s: got parser %s\n", master->name,
- parser ? parser->name : NULL);
+ parser ? parser->name : "(null)");
if (!parser)
continue;
ret = mtd_part_do_parse(parser, master, &pparts, data);